Posted on August 19, 2020

Third-Party Testing Reveals Significant Fuel Savings Using Michelin Energy Guard Combined with X One Tires

GREENVILLE, S.C., Aug. 19, 2020 — Independent third-party certified fuel-economy testing by Mesilla Valley Transportation Solutions (MVTS) has confirmed that the MICHELIN® Energy Guard system coupled with a Michelin X One tire package demonstrated a combined fuel savings of 17.01 gallons/1000 miles1. MICHELIN® Energy Guard is a SmartWay-verified and CARB-compliant solution from MICHELIN® Aerodynamic Solutions.

"Our goal, through continued testing, was to provide certified fuel economy performance test data results that fleets can use to confidently make purchasing decisions about aerodynamic trailer solutions and realize real-world savings," said Calvin Bradley, technical leader, MICHELIN Aerodynamic Solutions, Michelin North America. “The newest testing confirms these significant results and validates our product from others on the market.”

Two 2015 International LT tractors with Cummins ISX 15-liter engines and Eaton 10-speed automated manual transmissions hauled 53-foot Hyundai dry vans to perform the tests.  This combination had a 72,000-pound gross vehicle weight. The vehicles were thoroughly inspected and received regular maintenance prior to testing. The tractors and trailers were fitted with wide-base single tires set at 100 PSI. One vehicle was fitted with MICHELIN® X Line Energy Z on the steer position, MICHELIN® X One® Line Energy D on the drive position and MICHELIN® X One® Line Energy T on the trailer position; the other vehicle was outfitted with a competitor brand. All tires were EPA SmartWay-approved and had a 500-mile break-in procedure using the same vehicle and load.

The Michelin X One tire package alone saved 6.70 gallons/1000 miles, the combination of the two yields significant fuel savings of 17.01 gallons/1000 miles1. This can reduce a fuel bill by up to 12.6% or up to $5,195 per truck per year2. To learn more about this winning combination, visit

“MVTS-certified testing is a much more advanced and reliable method for predicting fuel savings,” said Daryl Bear, lead engineer and COO, MVT Solutions, LLC. “The results provided are comparable with what a progressive fleet can expect in real-world operations. Combining fuel-efficient tires with aerodynamics can save a fleet significant fuel and money.”

Detailed information on the complete test can be found in a separate report at Look for the Michelin logo under “Certified Products.”

1 Estimated fuel savings at 65mph based on commissioned, third-party MVT Solutions Certified™ testing procedure on a modern Class 8 truck and 53' trailer equipped with MICHELIN® Energy Guard, MICHELIN® X Line Energy Z 275/80R22.5 steer tires, MICHELIN® X One® Line Energy D drive tires, and MICHELIN® X One® Line Energy T trailer tires, and compared to a trailer with no aerodynamic devices, equipped with Bridgestone R284 Ecopia™ 295/75R22.5 steer tires, Bridgestone Greatec M835A Ecopia™ 445/50R22.5 drive tires, and Bridgestone Greatec R197 Ecopia™ 445/50R22.5 trailer tires.  Actual results may vary, and may be impacted by many factors, to include road conditions, weather, environment, combination of steer and drive tires used, driving habits, tire size, equipment and maintenance. 


2 Estimated fuel cost savings based on fuel savings results1, with fuel prices at 2019 diesel fuel average of $3.056/gal., if tractor and trailer travel 100,000 miles per year with a baseline fuel economy of 7.4 mpg.


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About Michelin North America

Michelin, the leading mobility company, is working with tires, around tires and beyond tires to enable Motion for Life. Dedicated to enhancing its clients’ mobility and sustainability, Michelin designs and distributes the most suitable tires, services and solutions for its customers’ needs. Michelin provides digital services, maps and guides to help enrich trips and travels and make them unique experiences. Bringing its expertise to new markets, the company is investing in high-technology materials, 3D printing and hydrogen, to serve a wide variety of industries — from aerospace to biotech. Headquartered in Greenville, South Carolina, Michelin North America has approximately 22,500 employees and operates 34 production facilities in the United States and Canada. (